Home / 13,697,645.20-20,507,146.20-13,304,429.20

Finding the Fourth Proportional to 13,697,645.20, 20,507,146.20 and 13,304,429.20

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Solution

The fourth proportional to 13,697,645.20, 20,507,146.20 and 13,304,429.20 is: 19,918,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697,645.20 : 20,507,146.20 = 13,304,429.20 : x
  2. Step 2: Convert to fraction form
    13,697,645.20/20,507,146.20 = 13,304,429.20/x
  3. Step 3: Cross multiply
    13,697,645.20x = 20,507,146.20 × 13,304,429.20
  4. Step 4: Simplify right side
    13,697,645.20x = 272,835,874,711,949
  5. Step 5: Solve for x
    x = 272,835,874,711,949/13,697,645.20
  6. Step 6: Final answer
    x = 19,918,451.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.